\documentclass[12pt,titlepage]{article}
\usepackage[spanish]{babel}
\usepackage[utf8]{inputenc}
\usepackage{amsfonts}
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{color}
\usepackage{graphicx} % para insertar imagenes
\usepackage{verbatim}

\newcommand{\func}[2]{\texttt{#1}(#2)}
\newcommand{\funcFull}[2]{\texttt{#1}=#2}
\newcommand{\tab}{\hspace*{2em}}
\newcommand{\FOR}{\textbf{for }}
\newcommand{\TO}{\textbf{ to }}
\newcommand{\IF}{\textbf{if }}
\newcommand{\WHILE}{\textbf{while }}
\newcommand{\THEN}{\textbf{then }}
\newcommand{\ELSE}{\textbf{else }}
\newcommand{\RET}{\textbf{return }}
\newcommand{\MOD}{\textbf{ \% }}
\newcommand{\OR}{\textbf{ or }}
\newcommand{\AND}{\textbf{ and }}
\newcommand{\tOde}[1]{\tab \small{O($#1$)}}
\newcommand{\Ode}[1]{O($#1$)}
\newcommand{\Thetade}[1]{{\small$\Theta$($#1$)}}
\newcommand{\Omegade}[1]{{\small$\Omega$($#1$)}}
\newcommand{\VSP}{\vspace*{3em}}
\newcommand{\pa}{\vspace{5mm}}
\newcommand{\e}[2]{\varepsilon  _{#1}({#2})}
\newcommand{\er}[2]{\varepsilon _{({#1})}^{({#2})}}
\newcommand{\ev}[1]{\varepsilon _{#1}}
\newcommand{\N}{\mathbb{N}}
\newenvironment{pseudo}{\begin{tabular}{p{11cm}l}}{\end{tabular}\VSP}

\newcommand{\gra}[1]{{\noindent\centering\includegraphics[width=14cm]{#1}}\\}

\begin{document}

	\input{gregory.tex}
	\newpage
	\input{machin.tex}
	\newpage
	\input{ramanujan.tex}

\end{document}
